Question

find the area of a circle whose radius is 11 cm​

Answer 1

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R= 11cm

${ \pink{ \bold{ \underline{ \underline{Formula:-}}}}}$

$area \: of \: circle \: = \pi {r}^{2}$

${ \blue{ \bold{ \underline{ \underline{Find:-}}}}}$

$Area \:of \:circle \:= ???$

${ \green{ \bold{ \underline{ \underline{Solution:-}}}}}$

$= \frac{22}{7} \times {(11)}^{2}$

$= \frac{22}{7} \times 121$

$= \frac{2662}{7}$

$= {380.29cm}^{2}$

Answer 2

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R= 11cm

Formula:−

$area \: of \: circle \:$ = $\pi {r}^{2}$

Find:−

Area of circle=???

Solution:-

=$\frac{22}{7} \times {(11)}^{2}$=22/7 ×(11)

= $\frac{22}{7} \times 121$= 22/7 ×121

= $\frac{2662}{7}$ =2662

= ${380.29cm}^{2}$=380.29cm

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